diff --git a/src/exchange/FixedRateExchange.ts b/src/exchange/FixedRateExchange.ts
index 84c91c3c..5c7f9f2a 100644
--- a/src/exchange/FixedRateExchange.ts
+++ b/src/exchange/FixedRateExchange.ts
@@ -1,9 +1,9 @@
+import { Logger } from '../utils'
 import defaultFixedRateExchangeABI from '@oceanprotocol/contracts/artifacts/FixedRateExchange.json'
 import BigNumber from 'bignumber.js'
 import { TransactionReceipt } from 'web3-core'
 import { Contract, EventData } from 'web3-eth-contract'
 import { AbiItem } from 'web3-utils/types'
-import { Logger } from '../utils'
 import Web3 from 'web3'
 
 export interface FixedPriceExchange {
@@ -42,10 +42,10 @@ export class OceanFixedRateExchange {
    */
   constructor(
     web3: Web3,
+    logger: Logger,
     fixedRateExchangeAddress: string = null,
     fixedRateExchangeABI: AbiItem | AbiItem[] = null,
-    oceanAddress: string = null,
-    logger: Logger
+    oceanAddress: string = null
   ) {
     this.web3 = web3
     this.fixedRateExchangeAddress = fixedRateExchangeAddress
@@ -182,7 +182,7 @@ export class OceanFixedRateExchange {
         .setRate(exchangeId, this.web3.utils.toWei(String(newRate)))
         .estimateGas(function (err, estGas) {
           if (err) {
-            this.logger.error(`ERROR: FixedPriceExchange: ${err.message}`)
+            console.error(`ERROR: FixedPriceExchange: ${err.message}`)
             return DEFAULT_GAS_LIMIT
           }
           return estGas
@@ -218,12 +218,13 @@ export class OceanFixedRateExchange {
         .toggleExchangeState(exchangeId)
         .estimateGas(function (err, estGas) {
           if (err) {
-            this.logger.error(`ERROR: FixedPriceExchange: ${err.message}`)
+            console.error(`ERROR: FixedPriceExchange: ${err.message}`)
             estGas = DEFAULT_GAS_LIMIT
           }
           return estGas
         })
     } catch (e) {
+      this.logger.error(`ERROR: FixedPriceExchange: ${e.message}`)
       estGas = DEFAULT_GAS_LIMIT
     }
     const trxReceipt = await this.contract.methods.toggleExchangeState(exchangeId).send({
@@ -252,12 +253,13 @@ export class OceanFixedRateExchange {
         .toggleExchangeState(exchangeId)
         .estimateGas(function (err, estGas) {
           if (err) {
-            this.logger.error(`ERROR: FixedPriceExchange: ${err.message}`)
+            console.error(`ERROR: FixedPriceExchange: ${err.message}`)
             estGas = DEFAULT_GAS_LIMIT
           }
           return estGas
         })
     } catch (e) {
+      this.logger.error(`ERROR: FixedPriceExchange: ${e.message}`)
       estGas = DEFAULT_GAS_LIMIT
     }
     const trxReceipt = await this.contract.methods.toggleExchangeState(exchangeId).send({
diff --git a/src/ocean/Ocean.ts b/src/ocean/Ocean.ts
index 0ff9b0a5..28df3a11 100644
--- a/src/ocean/Ocean.ts
+++ b/src/ocean/Ocean.ts
@@ -61,10 +61,10 @@ export class Ocean extends Instantiable {
     )
     instance.fixedRateExchange = new OceanFixedRateExchange(
       instanceConfig.config.web3Provider,
+      instanceConfig.logger,
       instanceConfig.config.fixedRateExchangeAddress,
       instanceConfig.config.fixedRateExchangeAddressABI,
-      instanceConfig.config.oceanTokenAddress,
-      instanceConfig.logger
+      instanceConfig.config.oceanTokenAddress
     )
     instance.OnChainMetadataCache = new OnChainMetadataCache(
       instanceConfig.config.web3Provider,
diff --git a/test/unit/exchanges/FixedPriceExchange.test.ts b/test/unit/exchanges/FixedPriceExchange.test.ts
index 1908f505..1b6fd336 100644
--- a/test/unit/exchanges/FixedPriceExchange.test.ts
+++ b/test/unit/exchanges/FixedPriceExchange.test.ts
@@ -4,7 +4,7 @@ import { TestContractHandler } from '../../TestContractHandler'
 import { FixedPricedContractHandler } from '../../FixedPriceContractHandler'
 import { DataTokens } from '../../../src/datatokens/Datatokens'
 import { OceanFixedRateExchange } from '../../../src/exchange/FixedRateExchange'
-import { Logger } from '../../../src/utils'
+import { LoggerInstance } from '../../../src/utils'
 import Web3 from 'web3'
 import factory from '@oceanprotocol/contracts/artifacts/DTFactory.json'
 import datatokensTemplate from '@oceanprotocol/contracts/artifacts/DataTokenTemplate.json'
@@ -105,10 +105,10 @@ describe('FixedRateExchange flow', () => {
   it('should initialize FixedExchangeRate class', async () => {
     FixedRateClass = new OceanFixedRateExchange(
       web3,
+      LoggerInstance,
       FixedRateExchangeAddress,
       FixedRateExchangeContract.abi as AbiItem[],
-      oceanTokenAddress,
-      new Logger()
+      oceanTokenAddress
     )
     assert(FixedRateClass !== null)
   })
@@ -208,6 +208,7 @@ describe('FixedRateExchange flow', () => {
     if (consoleDebug) console.log('Bob ocean balance:' + balance)
   })
   it('Alice should update the rate', async () => {
+    // console.log(await FixedRateClass.getLogger())
     const tx = await FixedRateClass.setRate(aliceExchangeId, updatedPriceRate, alice)
     assert(tx !== null)
   })